Home / 22,910.80-34,346.20-8,880.40

Finding the Fourth Proportional to 22,910.80, 34,346.20 and 8,880.40

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Solution

The fourth proportional to 22,910.80, 34,346.20 and 8,880.40 is: 13,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.80 : 34,346.20 = 8,880.40 : x
  2. Step 2: Convert to fraction form
    22,910.80/34,346.20 = 8,880.40/x
  3. Step 3: Cross multiply
    22,910.80x = 34,346.20 × 8,880.40
  4. Step 4: Simplify right side
    22,910.80x = 305,007,994.48
  5. Step 5: Solve for x
    x = 305,007,994.48/22,910.80
  6. Step 6: Final answer
    x = 13,312.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.